Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
merzusa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 13:01:33 UTC · ↺ Refresh
MX Hostnames
- merzusa-com.mail.protection.outlook.com
MX Priorities
- merzusa-com.mail.protection.outlook.com: 10
A / AAAA Records
- 34.193.252.73 ↩ ec2-34-193-252-73.compute-1.amazonaws.com
Mail Server IPs
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cscdns.net hostmaster.cscdns.net 2015061693 28800 7200 604800 14400
Primary NS (mname)
dns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2015061693
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
14400s
Nameservers (NS)
dns1.cscdns.net
dns2.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:185.55.232.147 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- v=production; p=none; rua=mailto:[email protected]
- SPFv=spf1 include:spf.protection.outlook.com ip4:185.55.232.147 -all
- X3UdLgUTh1XN5Nd09dhXGysskAr1qRSQjylJ4Kreyh/oZrLCNW/Gnc+xfLN/59ag2jDsMJDR1Jh3So1EQZH6cA==
- t4dD61v9DQq9+ew7l1maapNVXn/Vwc8XBPc82RyPuUNxf54biK5JDygJ9ihSYYunmS4oF15W+8zbjr4kCbmttA==
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